Types of Weathering Example
Storyboard Descripción
Types of Weathing - Chemical Physical Biological
Texto del Guión Gráfico
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- CHEMICAL WEATHERING
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- When rocks are weathered by chemicals it is called chemical weathering. An example of this is when acid rain reacts with limestone.
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- TEMPERATURE CHANGES
- As the temperature increases, rocks expand and then contract as the temperature falls. Over time this can cause the rock to crack and small pieces fall away.
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- FREEZE-THAW
- Water can get into the cracks of rocks. When the water freezes, it expands, causing the crack to get bigger. As the ice melts, the water goes deeper into the crack and can freeze again, making the crack even bigger.
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- WIND, RAIN, WAVES
- Wind can blow small particles which wear away the rock. Waves and rain wear the rock down over long periods of time.
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- BIOLOGICAL WEATHERING
- Biological weathering is due to animals and plants. Burrowing animals and plant roots can damage and break rocks apart.
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Atribuciones de la Imagen
- Action Shot of an Old Ping-Pong Player - Augapfel - (Licencia Attribution )
- Ice - tara marie - (Licencia Attribution )
- Temperature in C° + R - acidpix - (Licencia Attribution )
- Waves - Linus Henning - (Licencia Attribution )
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